15002228 has 24 divisors (see below), whose sum is σ = 28481544. Its totient is φ = 6886400.

The previous prime is 15002213. The next prime is 15002231. The reversal of 15002228 is 82220051.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 14577124 = 652^2 + 3818^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1186731).

Almost surely, 2^15002228 is an apocalyptic number.

It is an amenable number.

15002228 is a deficient number, since it is larger than the sum of its proper divisors (13479316).

15002228 is a wasteful number, since it uses less digits than its factorization.

15002228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5441 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 15002228 is about 3873.2709690906. The cubic root of 15002228 is about 246.6334173185.

Adding to 15002228 its reverse (82220051), we get a palindrome (97222279).

The spelling of 15002228 in words is "fifteen million, two thousand, two hundred twenty-eight".